/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Lythen.Model.stu_vs_course model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update stu_vs_course set ");
strSql.Append("Sc_register_date=@Sc_register_date,");
strSql.Append("Sc_pay=@Sc_pay,");
strSql.Append("Sc_status=@Sc_status");
strSql.Append(" where Sc_stu_id=@Sc_stu_id and Sc_course_id=@Sc_course_id ");
SqlParameter[] parameters =
{
new SqlParameter("@Sc_register_date", SqlDbType.DateTime),
new SqlParameter("@Sc_pay", SqlDbType.VarChar, 50),
new SqlParameter("@Sc_status", SqlDbType.Bit, 1),
new SqlParameter("@Sc_stu_id", SqlDbType.VarChar, 20),
new SqlParameter("@Sc_course_id", SqlDbType.Int, 4)
};
parameters[0].Value = model.Sc_register_date;
parameters[1].Value = model.Sc_pay;
parameters[2].Value = model.Sc_status;
parameters[3].Value = model.Sc_stu_id;
parameters[4].Value = model.Sc_course_id;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Lythen.Model.stu_vs_course DataRowToModel(DataRow row)
{
Lythen.Model.stu_vs_course model = new Lythen.Model.stu_vs_course();
if (row != null)
{
if (row["Sc_stu_id"] != null)
{
model.Sc_stu_id = row["Sc_stu_id"].ToString();
}
if (row["Sc_course_id"] != null && row["Sc_course_id"].ToString() != "")
{
model.Sc_course_id = int.Parse(row["Sc_course_id"].ToString());
}
if (row["Sc_register_date"] != null && row["Sc_register_date"].ToString() != "")
{
model.Sc_register_date = DateTime.Parse(row["Sc_register_date"].ToString());
}
if (row["Sc_pay"] != null)
{
model.Sc_pay = row["Sc_pay"].ToString();
}
if (row["Sc_status"] != null && row["Sc_status"].ToString() != "")
{
if ((row["Sc_status"].ToString() == "1") || (row["Sc_status"].ToString().ToLower() == "true"))
{
model.Sc_status = true;
}
else
{
model.Sc_status = false;
}
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Lythen.Model.stu_vs_course model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into stu_vs_course(");
strSql.Append("Sc_stu_id,Sc_course_id,Sc_register_date,Sc_pay,Sc_status)");
strSql.Append(" values (");
strSql.Append("@Sc_stu_id,@Sc_course_id,@Sc_register_date,@Sc_pay,@Sc_status)");
SqlParameter[] parameters =
{
new SqlParameter("@Sc_stu_id", SqlDbType.VarChar, 20),
new SqlParameter("@Sc_course_id", SqlDbType.Int, 4),
new SqlParameter("@Sc_register_date", SqlDbType.DateTime),
new SqlParameter("@Sc_pay", SqlDbType.VarChar, 50),
new SqlParameter("@Sc_status", SqlDbType.Bit, 1)
};
parameters[0].Value = model.Sc_stu_id;
parameters[1].Value = model.Sc_course_id;
parameters[2].Value = model.Sc_register_date;
parameters[3].Value = model.Sc_pay;
parameters[4].Value = model.Sc_status;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Lythen.Model.stu_vs_course GetModel(string Sc_stu_id, int Sc_course_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Sc_stu_id,Sc_course_id,Sc_register_date,Sc_pay,Sc_status from stu_vs_course ");
strSql.Append(" where Sc_stu_id=@Sc_stu_id and Sc_course_id=@Sc_course_id ");
SqlParameter[] parameters =
{
new SqlParameter("@Sc_stu_id", SqlDbType.VarChar, 20),
new SqlParameter("@Sc_course_id", SqlDbType.Int, 4)
};
parameters[0].Value = Sc_stu_id;
parameters[1].Value = Sc_course_id;
Lythen.Model.stu_vs_course model = new Lythen.Model.stu_vs_course();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
